Improvement in making piles foe giedee-beams



ANDREW KLOMAN,A or Prrrsumui, PENNSYLVANIA.

Letters Patent No. 75,770, dated .March 24, 1868.

IMPRQVEMENT 1N MAKING PILES ron crimen-BEANS( "ilgt tlgehu'le nimh te im time Elettra atent mur intelligenti-.nf tigt same.-

TO ALL WHOM "ITv MAY CONCERN: y

Beit known that I, ANDREW KLOMAN, of the city of Pittsburg, inthe county of Allegheny, and State of Pennsylvania, have invented 'a new and useful Improvement in Making Piles for Girder-Iron; and I do hereby declare the following to be a full, clear, and exact 'description thereof, reference being. had to the laccompanying drawing, making'a part of this specilication, which is a perspective view of oneend o f 4my improved fa'got, and

to the letter's'of reference marked thereon. y l l The nature of my invention consists in vrolling each half of' the pile or fagot in a. separatepece, the plane of division running longitudinally and vertically through the weh, and -in h olloiving out or grooving the inner faces of such half fagots, so as to leave an aperture running lengthways through the pile or fagot, so'as the more easily to raise -it to a welding heat. l w To enable others skilled in the art to make and use my invention, Iwill proceed to describe its construction and mode o'f use. v

a a are two half fagots with grooved or U-shaped outer faces, and so made that when welded together the plane'of the weldlshall pass vertically andv longitudinally through the web of the fagot. But the innerifaces of each of these half fagots a a, I hollow out slightly, or groove while rolling them, so that when put together they shall leave an aperture, @extending-along through theweb, lengthways of `the fagot. The pileor fagot is then heated in a furnace in the usual Way, and reduced and drawn between rolls, of the usual construction.,

' in to a girder-beam. The object of the aperturelz is to allow the heat to pass through and secure more perfectly i a welding heat throughout the pile or fagot.v

A girder-beam-rol-ledirom a pile or fagot thus made is particularly strong, as the only'line ofweldwhich it has forms a plane parallel with thedirection of the strain to'whieh the beam is subject; and by raising the middle of the pile to aweldng heat through the aperture b, Imake'that weld as perfect as possible.

The cap and base loi" the pile may be formed in part of separate plate-s, c c, the dotted lines indicating the planes of division. 4

What I claim as my inventiomanddesire Ato secure by Letters Patent, is`

, Groovig those parts ofa pile o'r fagot for making 'girdewbeams which,wl1eu'rolled,are to form the web 5 ofk the beam, so as to secure-an aperture, b, along through the heart et' the pile or fagot, substantially4 as and for the purposes hereinbefore set' forth. p

In testimony whereof I'. the said ANDREW KLOMAN, have hereunto set my hand.

y ANDREW KLOMAN.

Witnesses: l l A. S.`N1cnoLsoN, 4 G. H. CHRISTY. 

